Shower stall



FIG. 1 is a front elevational view of a shower stall showing my new design;

FIG. 2 is a fragmentary front elevational view thereof, with a portion broken away to illustrate the contour of the floor of the stall;

FIG. 3 is a cross sectional view taken on line 3--3 of FIG. 1;

FIG. 4 is a cross sectional view taken on line 4--4 of FIG. 1; and

FIG. 5 is a top plan view thereof. 

The ornamental design for a shower stall, substantially as shown and described. 